Most apps show you one shape and call it done. Keytionary shows you how to actually play any chord — drop-2, rootless, shell, spread, quartal — across both hands, and lets you hear which one fits.
The part no other chord app does. See every way to voice a chord — close, drop-2, rootless, shell, spread, quartal, upper-structure triads — then swap what your left hand plays underneath and tap to hear which one fits.
Major, minor, all 7 modes, pentatonic, blues, whole tone, and diminished. Every scale shows its formula, degrees, and lights up across the keyboard.
From basic triads to altered dominants and 13th jazz chords. Every chord is mapped onto the keys with the root, 3rd, 5th and extensions color-coded.
Named progressions across Pop, Rock, Blues, Jazz, and more — plus a custom builder that lets you stack any chord from any key. Hit Play and hear real piano audio.
Hear every chord with real sampled piano notes. Tap any chord in the library or let the progression player cycle through at your BPM with subtle arpeggio voicing.
BPM 40–240, six time signatures including 6/8 and 7/8, accent + offbeat clicks, tap-tempo, and a drift-corrected timer that stays steady even at 200+ BPM.
Light up any chord on the keyboard with the root, 3rd, 5th and extensions color-coded so the structure is instantly readable. 35 chord types from basic triads to 13ths.
Every highlighted key is colored by its role in the chord or scale. Roots are gold. Thirds are red. Fifths are green. Extensions are blue. Train your eye to recognize chord shapes the way trained pianists hear them — as relationships, not just notes.
22 progressions across every genre — plus a custom builder that lets you stack any chord from any key. Hit Play and hear real piano audio while the keyboard shows you every chord in sequence.
Launching first on iOS. Android coming soon after.